Hi again,

By the way, I ran into a similar problem a few years ago and I have set the 
following config parameter to 5000 some time ago. 

osd_map_cache_size 
<https://docs.ceph.com/en/reef/rados/configuration/osd-config-ref/#confval-osd_map_cache_size>
The number of OSD maps to keep cached.

type
:
int
default
:
50
I could not find any other related config parameters. 

BR,
Huseyin Cotuk
[email protected]




> On 24 Oct 2025, at 21:14, Huseyin Cotuk <[email protected]> wrote:
> 
> Hi Eugen,
> 
> I have already tried as the below method I stated before. I got the current 
> osdmap and tried to set-osdmap via ceph-object-store-tool. But the command 
> failed with error:
> 
> ceph osd getmap 72555 > /tmp/osd_map_72555
> CEPH_ARGS="--bluestore-ignore-data-csum" ceph-objectstore-tool --data-path 
> /var/lib/ceph/osd/ceph-11/ --op set-osdmap --file /tmp/osd_map_72555
> 
> osdmap (#-1:9c8e9ef2:::osdmap.72555:0#) does not exist.
> 
> https://www.mail-archive.com/[email protected]/msg11545.html
> 
> BR,
> Huseyin
> [email protected]
> 
> 
> 
> 

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